200 lines
4.7 KiB
C
200 lines
4.7 KiB
C
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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apmbattp.h
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Abstract:
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Control Method Battery Miniport Driver
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Author:
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Ron Mosgrove (Intel)
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Environment:
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Kernel mode
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Revision History:
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--*/
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#ifndef FAR
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#define FAR
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#endif
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#include <wdm.h>
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#include <poclass.h>
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//#include "acpiioct.h"
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//
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// Debug
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//
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#define DEBUG 1
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#if DEBUG
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extern ULONG ApmBattDebug;
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#define ApmBattPrint(l,m) if(l & ApmBattDebug) DbgPrint m
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#else
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#define ApmBattPrint(l,m)
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#endif
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#define APMBATT_LOW 0x00000001
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#define APMBATT_NOTE 0x00000002
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#define APMBATT_WARN 0x00000004
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#define APMBATT_ERROR_ONLY 0x00000008
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#define APMBATT_ERROR (APMBATT_ERROR_ONLY | APMBATT_WARN)
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#define APMBATT_POWER 0x00000010
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#define APMBATT_PNP 0x00000020
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#define APMBATT_CM_EXE 0x00000040
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#define APMBATT_DATA 0x00000100
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#define APMBATT_TRACE 0x00000200
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#define APMBATT_BIOS 0x00000400 // Show message to verify BIOS/HW functionality
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#define APMBATT_MINI 0x00000800 // Show message to verify miniport retun data
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#define MAX_DEVICE_NAME_LENGTH 128
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//
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// These definitions are for the Technology field of the BATTERY_INFORMATION structure.
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// They probably ought to be in the poclass.h file, but they've been here
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// a whole release and nothing bad has happened, so leave them here.
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//
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// BATTERY_INFORMATION.Technology flags
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//
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#define BATTERY_PRIMARY_NOT_RECHARGABLE 0x00
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#define BATTERY_SECONDARY_CHARGABLE 0x01
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//
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// Use the IoSkipCurrentIrpStackLocation routine because the we
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// don't need to change arguments, or a completion routine
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//
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#define ApmBattCallLowerDriver(Status, DeviceObject, Irp) { \
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IoSkipCurrentIrpStackLocation(Irp); \
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Status = IoCallDriver(DeviceObject,Irp); \
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}
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#define GetTid() PsGetCurrentThread()
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//
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// Pagable device extension for control battery
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//
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typedef struct _CM_BATT {
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ULONG Type; // This must be the first entry
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// as it is shared with the AC_ACAPTER
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PDEVICE_OBJECT DeviceObject; // Battery device object
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PDEVICE_OBJECT Fdo; // Functional Device Object
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PDEVICE_OBJECT Pdo; // Physical Device Object
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PDEVICE_OBJECT LowerDeviceObject; // Detected at AddDevice time
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PVOID Class; // Battery Class handle
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BOOLEAN IsStarted; // if non zero, the device is started
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BOOLEAN IsCacheValid; // Is cached battery info currently valid?
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//
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// Selector
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//
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PVOID Selector; // Selector for battery
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//
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// Battery
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//
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ULONG TagCount; // Tag for next battery
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PUNICODE_STRING DeviceName;
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USHORT DeviceNumber;
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} CM_BATT, *PCM_BATT;
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//
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// Misc globals
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//
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extern PVOID ApmGlobalClass;
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extern ULONG DeviceCount;
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extern ULONG TagValue;
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extern ULONG (*NtApmGetBatteryLevel)();
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//
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// Prototypes
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//
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NTSTATUS
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ApmBattPnpDispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ApmBattPowerDispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ApmBattForwardRequest(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ApmBattAddDevice(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT Pdo
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);
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NTSTATUS
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ApmBattQueryTag (
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IN PVOID Context,
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OUT PULONG BatteryTag
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);
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NTSTATUS
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ApmBattSetStatusNotify (
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IN PVOID Context,
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IN ULONG BatteryTag,
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IN PBATTERY_NOTIFY BatteryNotify
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);
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NTSTATUS
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ApmBattDisableStatusNotify (
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IN PVOID Context
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);
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NTSTATUS
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ApmBattQueryStatus (
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IN PVOID Context,
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IN ULONG BatteryTag,
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OUT PBATTERY_STATUS BatteryStatus
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);
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NTSTATUS
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ApmBattIoCompletion(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PKEVENT pdoIoCompletedEvent
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);
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NTSTATUS
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ApmBattQueryInformation (
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IN PVOID Context,
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IN ULONG BatteryTag,
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IN BATTERY_QUERY_INFORMATION_LEVEL Level,
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IN ULONG AtRate OPTIONAL,
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OUT PVOID Buffer,
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IN ULONG BufferLength,
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OUT PULONG ReturnedLength
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);
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VOID
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ApmBattPowerNotifyHandler(
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VOID
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);
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